SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 5) ExpressionList (children 1) Literal UInt64_1 TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function remote (children 1) ExpressionList (children 1) Literal \'127.0.0.{1,1}\' ExpressionList (children 1) Function tuple (children 1) ExpressionList (children 2) Literal UInt64_2 Function materialize (children 1) ExpressionList (children 1) Literal UInt64_3 Function materialize (children 1) ExpressionList (children 1) Literal UInt64_3 Set